典型文献
N-doped residual carbon from coal gasification fine slag decorated with Fe3O4 nanoparticles for electromagnetic wave absorption
文献摘要：
The electromagnetic wave absorption(EMWA)performance of materials is affected by their dielectric and magnetic properties.Here,ferroferric oxide@N-doped residual carbon(Fe3O4@NRC)composites were successfully fabricated by decorating NRC with Fe3O4 nanoparticles via a facile chemical co-precipitation method.The RC was obtained through acid treatment to remove the inorganic minerals in coal gasifica-tion fine slag.The structure,composition,thermal stability,morphology,and related EM parameters of the as-fabricated Fe3O4@NRC composites were thoroughly tested via analytical techniques.Notably,both the Fe3O4@NRC-2 and Fe3O4@NRC-3 composites exhibited superior EMWA capacity.When 40％mass was added,the value of minimal reflection loss(RLmin)for Fe3O4@NRC-2 was-37.4 dB,and the effective ab-sorption bandwidth(EAB,RL≤-10 dB)reached 4.16 GHz(13.84-18.00 GHz)at a thickness of 1.5 mm.Besides,the value of impedance matching was 1.00 as the RLmin was achieved.The results demonstrated that the EMWA performance of the composites could be adjusted by controlling the content of Fe3O4 nanoparticles.The magnetic/carbon composites exhibited superior EMWA performance,thus promoting the resource utilization of residual carbon in coal gasification fine slag from coal gasification.
文献关键词：
中图分类号：
作者姓名：
Jun He;Shengtao Gao;Yuanchun Zhang;Xingzhao Zhang;Hanxu Li
作者机构：
School of Chemical Engineering,Anhui University of Science and Technology,Huainan 232001,China;Institute of Energy,Hefei Comprehensive National Science Center,Hefei 230031,China
文献出处：
引用格式：
[1]Jun He;Shengtao Gao;Yuanchun Zhang;Xingzhao Zhang;Hanxu Li-.N-doped residual carbon from coal gasification fine slag decorated with Fe3O4 nanoparticles for electromagnetic wave absorption)[J].材料科学技术（英文版）,2022(09):98-108
A类：
EMWA,ferroferric,gasifica
B类：
doped,residual,carbon,from,coal,gasification,fine,slag,decorated,Fe3O4,nanoparticles,electromagnetic,wave,absorption,performance,materials,is,affected,by,their,dielectric,properties,Here,oxide,NRC,composites,were,successfully,fabricated,decorating,via,facile,chemical,precipitation,method,was,obtained,through,acid,treatment,remove,inorganic,minerals,structure,composition,thermal,stability,morphology,related,parameters,thoroughly,tested,analytical,techniques,Notably,both,exhibited,superior,capacity,When,mass,added,value,minimal,reflection,loss,RLmin,dB,effective,bandwidth,EAB,reached,GHz,thickness,Besides,impedance,matching,achieved,results,demonstrated,that,could,be,adjusted,controlling,content,thus,promoting,resource,utilization
AB值：
0.481991
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